Abundance: 0.91 to 13.84% (median 1.32%)

Latitudinal range: 42.2° to 51.1°

Habitats: (5) only

Found in 5 samples

Canada: Narcissus (Early Palaeocene)

United States: Scarritt Quarry (Early Palaeocene), Cedar Point Quarry (Late Palaeocene), Shotgun (Carnegie Museum) (Middle Palaeocene), Chappo Type Locality (Late Palaeocene)

See also Ignacius, Ignacius fremontensis, Ignacius graybullianus, Ignacius sp.